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Home My WebLink About20070498 Ver 1_Application_20070619G ~ ..moo // ~d rr~ auw+s ~+` STATE OF NORTH CAROLINA ~ DEPARTMENT OF TRANSPORTATION MICHAEL F. EASLEY LYNDO TIPPETT GOVERNOR SECRETARY ~ June 15, 2007 s U. S. Army Corps of Engineers p (~ ~ ~ ~~~ D Regulatory Field Office l~ Post Office Box 1890 JUN 1 9 2007 Wilmington, NC 28402-1890 ATTENTION: Ms. Jennifer Frye NCDOT Coordinator Dear Madam: pENR -WATER QUALITY ~YETL0.'4D3 A,'~D STC~"..~N!ATbR 9tiANCH C~~o'~ ~~ ~v,~ Subject: Revised Nationwide Permit 23 Ap~li±~~tion for the proposed replacement of Bridge No. 98 on SR 1246 (Butler Island Road) over Big Swamp, in Sampson County (Division 3). Federal Aid Project No. BRZ-1246(2), State Project No. 8.2281701, TIP No. B-4271, WBS Element 33612.1.1. The purpose of this letter is to submit revisions to the Clean Water Act (CWA) Section 404 permit application submitted by the North Carolina Department of Transportation (NCDOT) on March 16, 2007. This project has a review date of July 3, 2007 and is due to let on August 21, 2007. Included with this request are revised: permit drawings, Wetland Restoration Plan, and wetland impact summary sheet. The NCDOT is proposing the following revisions: • The new bridge length will be 120 feet long, not 105 feet, with three spans of 35'; 50', and 35'. • The wetland line shown on the permit drawings has been corrected and no longer bisects Big Swamp. • Impacts originally submitted were not calculated based on 3:1 fill slopes, though the application and cross sections indicated the 3:1 slopes. For this reason, impacts to jurisdictional wetlands have increased from 0.04 ac to 0.05 ac. • The Wetland Restoration Plan now defines mitigation areas more clearly. Regulatory Approvals The NCDOT respectfully requests this project to be authorized by USACE 404 Permit (NW 23) and North Carolina Department of Environment and Natural Resources, Division of Water Quality (NCDWQ) 401 Water Quality Certification (GC 3632). We are providing two copies of this revised application to the NCDWQ, for their review. MAILING ADDRESS: TELEPHONE: 919-733-3141 LOCATION: NC DEPARTMENT OF TRANSPORTATION ~ FAX: 919-733-9794 TRANSPORTATION BUILDING PROJECT DEVELOPMENT AND ENVIRONMENTAL ANALYSIS 1 SOUTH WILMINGTON STREET 1548 MAIL SERVICE CENTER WEBSITE: WWW.NCDOT.ORG RALEIGH NC RALEIGH NC 27699-1548 A copy of this modification request will be posted on the NCDOT website at: http://www.ncdot.org/doh/preconstruct/pe/neu/nermit. html. If you have any questions or need additional information, please contact Worth Calfee at (919) 715- 7225. Sincerel , ..~ ~, ~/ Gregory J. horpe, Ph.D., Environmental Management Director Project Development and Environmental Analysis w/attachment Mr. John Hennessy, NCDWQ Mr. Travis Wilson, NCWRC Mr. Gary Jordan, USFWS Mr. Ron Sechler, NMFS Mr. Michael Street, NCDMF Dr. David Chang, P.E., Hydraulics Mr. Mark Staley, Roadside Environmental Mr. Greg Perfetti, P.E., Structure Design Mr. Victor Barbour, P.E., Project Services Unit Mr. H. Allen Pope, P.E., Division 3 Engineer Mr. Mason Herndon, Division 3 Environmental Officer Ms. LeiLani Paugh, Natural Environment Unit w/out attachment Mr. Jay Bennett, P.E., Roadway Design Mr. Majed Alghandour, P. E., Programming and TIP Mr. Art McMillan, P.E., Highway Design Mr. Scott McLendon, USACE, Wilmington Mr. Gregory M. Blakeney, PDEA Project Planning Engineer 2 0 N O F ~ Q n n N N d. < °~ N 3 ~ m x F x ~ ~ .N. ~. ~ w z N o oooNM z z ~ ,~ m `° v 3 0 j N G] G7 a ~ a > ~ a ~ U z w x N ' II m O C N N '1n ~ ~ N ~j N C ~ to ~ O U f9 r ~ 0 O d N ~ O ~ ~- Q o ~ E h II w '~ ~ N N O).Ew ~ C N f0 Y (O O w C ~ '~ C ~ ~ W N N o .n c .r ~ W "'~~ m `°'~?~~ O O o ~ N , ~/~ L N ~+ a,., 3 ~ ~ w ~ w ~ o ~ (0 ~ ~ ~ Q c m rn N ~N ~ m Z ~ 0 N p ~ ~ d ~ F- E ~ N f0 p , . d W U ~ ~ Q a ~ ~ N C C " ~ ~ ~ ,n m n,1°~ s ~ wv Ea W Q N .. LL ~ ~ ~ a m ~ E H ~ , Q C N G {' f0 ~ ~ ~ ~ ~ ~ F. N ._ U °- a ~ N ~ v ~ ~ m ~~mm _~ ~ 3 W a W N m~ c Z ~ ~ d m ~ ~ °' 3 U F- ~ ~ c . W U Q a C N ~ O :a c ~ (gyp •C A ~ Q JH >W > W ~ C ~ ~ LL > ~ > ° c m ~ ~ O O a `~LL~ a m ~ ~ °' ~~ ~ N m 0 ~ ~ O C J ~ ~ Q A ~ ~ ~ 1 ~ O t l .~ ~ r N r CV ~ J (~ Z ~ F- F- Wetland Restoration Plan At Bridge No. 98 over Big Swamp on SR 1246 Sampson County TIP B-4271 Federal Aid Project No. BRZ-1246 (2) WBS No. 33612.1.1 January, 2007 The North Carolina Department of Transportation (NCDOT) will perform on-site mitigation for wetland impacts at the SR 1246 .overpass of Big Swamp. This mitigation site occurs within Transportation Improvement Program (TIP) B-4271. The project begins approximately 390 feet west of Bridge No. 98 and continues for approximately 490 feet to the west of the bridge. The roadway project will impact 0.05 acres of unavoidable wetlands. NCDOT will restore approximately 0.06 acres of coastal plain small stream swamp wetland as onsite mitigation for the impacts on B-4271. EXISTING CONDITIONS The project is located in Sampson County, southwest of Roseboro, approximately 3 miles from the intersection of NC 242 and SR 1246 (Butler Island Rd.) close to the Sampson and Cumberland County line. The project study area land use is primarily comprised of agricultural and forested land. The Natural Resources Technical Report for TIP B-4271, dated March 2003, provides further details concerning existing roadway and project study area conditions. The existing embankments of the approaches to Bridge No. 98 are located within the floodplain of Big Swamp within a wetland community known as a Coastal Plain Small Stream Swamp. The wetland is dominated by tulip poplar (Liriodendron tulipifera), sweet bay (Magnolia virginiana), fetterbush (Lyonia lucida) and a herbaceous layer of cane (Arundinaria gigantea). The transition zone where the wetland grades into the existing causeway slope is dominated by cane (Arundinaria gigantea). PROPOSED CONDITIONS DESIGN The proposed wetland mitigation will consist of restoring 0.06 acres of riverine wetland with 0.03 acres of restoration occurring underneath the new bridge span. Restoration will involve removing causeway fill and transition area along both approaches to Bridge No. 98 to match the adjacent wetland elevation. Representative spot elevations will be taken in all four quadrants of the bridge project within the adjacent reference wetland to determine target elevations. Excavated areas will be ripped and disked prior to planting of the site if necessary. The Natural Environment Unit shall be contacted to provide construction oversight to ensure that the wetland mitigation area is constructed appropriately. VEGETATION PLANTING Native grass seeding and mulching will be performed on all disturbed areas within the wetland restoration area for stabilization purposes according to guidance and standard procedures of NCDOT's Roadside Environmental Unit (Appendix A). The restoration areas adjacent to the new bridge structure will also be planted following the successful completion of site grading and stabilization. They will be planted with bottomland hardwood species including at least three of the following: water oak (Quercus nigra), tulip poplar (Liriodendron tulipifera), green ash (Fraxinus pennsylvanica), willow oak (Quercus phellos), sycamore (Platanis occidentalis), water tupelo (Nyssa aquatica), swamp chestnut oak (Quercus michauxii). MONITORING Upon successful completion of construction, the following monitoring strategy is proposed for the mitigation site. NCDOT will document monitoring activities on the site in an annual report distributed to the regulatory agencies. HYDROLOGIC MONITORING No specific hydrological monitoring is proposed for this restoration site. The target elevation will be based on the reference wetland and verified during construction. Constructing the site at the adjacent wetland elevation will. ensure the hydrology in the restored area is similar to the hydrology in the reference area. VEGETATION SUCCESS CRITERIA NCDOT shall monitor the restoration site by visual observation and photo points for survival and aerial cover of vegetation. NCDOT shall monitor the site for a minimum of three years or until the site is deemed successful. Monitoring will be initiated upon completion of the site planting. Appendix A Native Grass Seeding and Mulching Bermuda Native Grass Seeding and Mulching shall be performed on the disturbed areas of wetlands, and adjacent to Stream Relocation construction within a 50 foot zone on both sides of the stream or depression, measured from top of stream bank or center of depression. The stream bank of the stream relocation shall be seeded by a method that does not alter the typical cross section of the stream bank. Native Grass Seeding and Mulching shall also be performed in the permanent soil reinforcement mat section of preformed scour holes, and in other areas as directed. The kinds of seed and fertilizer, and the rates of application of seed, fertilizer, and limestone, shall be as stated below. During periods of overlapping dates, the kind of seed to be used shall be determined. All rates are in pounds per acre. March 1-August 31 25# Bermudagrass (hulled) 6# Indiangrass 8# Little Bluestem 4# Switchgrass 25# Browntop Millet 500# Fertilizer 4000# Limestone September 1 -February 28 35# Bermudagrass (unhulled) 6# Indiangrass 8# Little Bluestem 4# Switchgrass 35# Rye Grain 500# Fertilizer 4000# Limestone Fertilizer shall be 10-20-20 analysis. Upon written approval of the Engineer, a different analysis of fertilizer may be used provided the 1-2-2 ratio is maintained and the rate of application adjusted to provide the same amount of plant food as a 10-20-20 analysis. Native Grass Seeding and Mulching shall be performed in accordance with Section 1660 of the Standard Specifications and vegetative cover sufficient to restrain erosion shall be installed immediately following grade establishment. 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